results of rane stp final report
DESCRIPTION
Chola Aqua Technologies(CAT) multistage aerobic bio reactor(MAR) type sewage treatment system case study.This system elmnate the odour, required small area, produced high quality reuse water and low cost option investment and o&m.TRANSCRIPT
Results Of New 100 KLD - MAR (Multi stage Aerobic Bio Reactor) Type STP at Rane (Madras) Ltd. – Velachery, Ch – 42.
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
1. Small foot print Area
Old STP - 5000 Sq.ft
New STP - 450 Sq.ft
5000
5000
SMALL FOOT PRINT AREA89% Space
saving
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
450
0
1000
2000
3000
4000
Are
a i
n S
q.f
t
Old STP New STP
2 .Lower Operating Power Requirement
Old STP New STP
Power per year 2.82Lacs unit 0.784Lacs unit
Cost per year Rs :9.87Lacs Rs :2.74Lacs
Power Per Year(Lacs)Cost / Year(Lacs) 72% Energy
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
2.82
0.784
0
0.5
1
1.5
2
2.5
3
Un
it / Y
ear(
In L
acs)
Old STP New STP
Power Per Year(Lacs)
9.87
2.74
0
5
10
Co
st
/ Y
ea
r(In
L
ac
s)
Old STP New STP
Cost / Year(Lacs) 72% Energy saving
3. Satisfied the Authorities of TNPCB
Parameter Required
by TNPCB
Rane Sewage Old STP
New STP
PH 6.9 - 8.5 6.9 6.9 7.2
BOD (mg/L) < 30 410 30 Nil
COD (mg/L) < 100 1650 300 5
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
COD (mg/L) < 100 1650 300 5
TSS (mg/L) < 30 420 50 3
Oil & Grease (mg/L) < 20 58 25 3
Colour (Hazen Units)
< 25
Clear Black/Grey Not clear
< 5
Clear
Odour Nil Bad Odour Bad Odour Nil
Turbitity (NTU) < 10 80 50 < 5
100
5060708090
100
Satisfied the Authorities of TNPCB
Amazing Result
3. Satisfied the Authorities of TNPCB
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
30
15
50
3
15
3
0102030405060
mg
/L
BOD(mg/L) COD(mg/L) TSS(mg/L) Oil &
Grease(mg/L)
ParametersOld STP New STP
4. Simplicity in Operation and Maintenance
� There is no Moving parts in the New STP. So easy to
operate and maintain under widely fluctuating conditions
� Easy to install and Dismantle
� Easy to move any where
� Enable easy operation – Even by unskilled operator
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
� Enable easy operation – Even by unskilled operator
5 . No Disposal Problem
� The NEW STP system produces very low sludge
Old STP : 16.42 Ton / Year
New STP : 0.182 Ton / Year
No Disposal Problem
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
16.42
0.182
0
5
10
15
20
No
. O
f T
on
s
Old STP New STP
Very Good Digests
6 . Capex Savings
Conventional Plant - Old STP - 20%
MAR (Multistage Aerobic Bio Reactor) – New STP - 80%
80%
80%
Capex Savings
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
20%
0%
10%
20%
30%
40%
50%
60%
70%
80%
%
Conventional
STP
MAR type STP
7. Why New MAR type STP?
Activated Sludge Process Multi Stage aerobic Bio Reactor
Large Size Reactor size is small & compact
Suspended growth of bacteria process Attached growth of bacteria process
Close monitoring required Monitoring not required
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
Close monitoring required Monitoring not required
High Maintenance & Skilled labour required
Low Maintenance & Simple Operation
Efficiency is Maximum 65% only, Further treatment required
Treatment efficiency is 99%
Widely popular & Old techniques Most advanced technology
Odour & Colour Removal not Guaranteed
No Odour & Clear treated water
7. Why New MAR type STP?
65%
90%
99% 99% 100%
70%
80%
90%
100%
Comparison Between Conventional & MAR type
STPs
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
50% 50%
30%
20%
30%
40%
50%
60%
70%
Efficiency Odour
Removal
Treated
water clearity
Maintenance
Cost
ParametersConventional STP Mar Type STP
8. Features of NEW STP
1. Odorless Operation with self Regulating system.
2. Non – Clogging design, better oxygen transfer efficiency.
3. Simple to operate with low maintenance.
4. Attached growth process – No sludge recycle and no monitoring.
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293
4. Attached growth process – No sludge recycle and no monitoring.
5. High Bio –Film surface area; compact plant with high loading rates.
6. Removes E-Coli (Coli form).
8. Money Saving ALL THOUGH
In terms of initial investment, operating &
maintenance cost, energy & Space Saving.
Chola Aqua Technologies, No:34, St. Mary’s Road, Mandaveli, Chennai – 600 028. Mbl. 9444303293